Support for a retractable banner stand



FIG. 1 is a perspective view of an embodiment of his new, original and ornamental design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof, the rights side view being a mirror image thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The portions of the design shown in broken lines form no part of the claimed design. 

The ornamental design for a support for a retractable banner stand, as shown and described. 